Marry who?

@xtina, I understand your excitement but relax and take your time to absorb the blessing! As you been told, there is NO an expiry date for the land! In the meantime continue your saving.

Ask yourself, why you old man held on this piece of land all this time!

Xtina is seems your overall financial worth has changed exponentially to the extent that you are overwhelmed and unsure what to do. Its normal. Perhaps you should consider hiring/consulting an investment manager for the purpose of getting expert advice. Pay the experts, they have worked with people in similar situation like you. Seek a second opinion from another expert - allows you to minimize loss/maximize opportunities. But its important you take time, say six months or more to calm down before you undertake any investments.

I PAY SOMEONE TO THINK FOR ME? THOSE CONSULTANTS CAN REALLY MESS U UP. ILL RATHER USE WAZUA. JUST RELAX AND GIVE YOURSELF TIME, SOMETHING WILL COME UP. HAKUNA HARAKA.

You need to relax and cool down. Do not rush to decide. First get all the documents you need as the legal owner of your portion.

Do not sell the land unless there is good reason/need to sell. If you can manage farming, go for it. long-lasting wealth is better created using natural sources (land,water, air etc.).

Kikuyus have a saying “mwana mwega ari aciari aingi”. The saying has many meanings, but the one most relevant to you is that good tidings attract a lot of hanger-ons. I am happy to hear of your good tidings. Lakini, beware, you are at you greatest peril when you are at the highest level.
As others have advised, if you haven’t already done so, go underground until you have two pieces of paper. Two title deeds with your name and id showing that you own two parcels of land. If your father is still alive, this process will be a piece of cake. If otherwise, you need a good honest lawyer, but you must learn about the process independently because it tends to be somewhat convoluted and long.
After you own them, what to do with the land which is Kenya’s only natural resource? How about developing property for your children? If you know anything about farming, do some farming. If you don’t and want to develop the plot near the town, go and see if a bank can give a loan securitised on the other plot to enable you to develop the one near town.
All the best